The image shows the coupling model of innovation which proceeds from ‘Idea Generation’ through to ‘Market place’ via ‘Development’, then ‘Prototype Production’, then ‘Manufacturing’ and ‘Marketing and sales’. All of these processes are linked to ‘Needs of society and the marketplace’ which feeds back to the ‘Idea generation’ via ‘New need’. They are also linked to ‘State of the art in technology and production’ which feeds back to ‘Idea generation’ via ‘New technology’